256996452 has 24 divisors (see below), whose sum is σ = 605265696. Its totient is φ = 84864448.

The previous prime is 256996409. The next prime is 256996459. The reversal of 256996452 is 254699652.

256996452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256996459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98793 + ... + 101360.

It is an arithmetic number, because the mean of its divisors is an integer number (25219404).

Almost surely, 2^256996452 is an apocalyptic number.

It is an amenable number.

256996452 is an abundant number, since it is smaller than the sum of its proper divisors (348269244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256996452 is a wasteful number, since it uses less digits than its factorization.

256996452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200267 (or 200265 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 256996452 is about 16031.1088824198. The cubic root of 256996452 is about 635.7831921893.

The spelling of 256996452 in words is "two hundred fifty-six million, nine hundred ninety-six thousand, four hundred fifty-two".